Sierra Monitor Corporation Sentry Controller Gas Detector User Manual
Page 6

Sentry MODBUS I/O Memory Map
March 4, 2005
Page
:
5
Modbus
Address Parameter Units FIX
EGU
40040:0
Sensor 3: Sensor Disconnected
(Trouble Bits)
40040:2
Sensor 3: Voltage Regulator Failure
40040:3
Sensor 3: Sensor Bad
40040:4
Sensor 3: Duplicate Sensor
40040:5
Sensor 3: Timer Failure
40040:6
Sensor 3: Sensor Bridge Failure (Combustibles)
40040:7
Sensor 3: Type Error
40041:0
Sensor 3: Enabled
40041:1
Sensor 3: Auto Calibration Enabled
40041:2
Sensor 3: Low Alarm Latch
40041:3
Sensor 3: Calibrated
40041:4
Sensor 3: Zone Option Enabled
40041:5
Sensor 3: Calibration Table Initialized
40041:6
Sensor 3: H
2
S Sensor Resistance too high
40041:7
Sensor 3: Operate Mode (as opposed to Warm Up Mode)
40042:0
Sensor 3: High Alarm Latch
40042:1
Sensor 3: Low Sensitivity
40042:2
Sensor 3: Sensor not Valid
40044:0
Sensor 3: Concentration
% / PPM
0 - 6553.5
40050:0
Sensor 4: Sensor Disconnected
(Trouble Bits)
40050:2
Sensor 4: Voltage Regulator Failure
40050:3
Sensor 4: Sensor Bad
40050:4
Sensor 4: Duplicate Sensor
40050:5
Sensor 4: Timer Failure
40050:6
Sensor 4: Sensor Bridge Failure (Combustibles)
40050:7
Sensor 4: Type Error
40051:0
Sensor 4: Enabled
40051:1
Sensor 4: Auto Calibration Enabled
40051:2
Sensor 4: Low Alarm Latch
40051:3
Sensor 4: Calibrated
40051:4
Sensor 4: Zone Option Enabled
40051:5
Sensor 4: Calibration Table Initialized
40051:6
Sensor 4: H
2
S Sensor Resistance too high
40051:7
Sensor 4: Operate Mode (as opposed to Warm Up Mode)
40052:0
Sensor 4: High Alarm Latch
40052:1
Sensor 4: Low Sensitivity
40052:2
Sensor 4: Sensor not Valid
40054:0
Sensor 4: Concentration
% / PPM
0 - 6553.5